Year	MJ/$2011 PPP GDP
1990	4.79516755797364
1991	5.10331760795217
1992	4.93550037475309
1993	4.81954486442239
1994	4.90077121045747
1995	4.56567325402265
1996	4.59518508084837
1997	4.34167471339201
1998	3.98217436664843
1999	4.19219604455823
2000	4.53451360786973
2001	4.82467427543014
2002	4.46376695889726
2003	4.63564658928535
2004	4.88770512265964
2005	4.38330228729426
2006	4.54344585358286
2007	4.40429940765681
2008	4.04079772790967
2009	3.84127448023741
2010	4.14685265950253
2011	4.01444305396294
2012	3.86122203074187
2013	4.01014117127815
2014	3.95095359469606
2015	5.01920354948686